You don't need to clean up the memory without jailbreaking the Apple phone. Just restart your phone often.

You can use Tencent mobile phone housekeeper to clean up after jailbreak.

Usually use that small rocket to reduce the burden on mobile phones. You can also use this function to optimize the cleaning of mobile phone garbage cache with one click. You can also use the cleaning acceleration function. If it is a background process cache, junk files, cached files, software residues, redundant installation packages, it can quickly speed up the slimming of mobile phones.